content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------
   * CombinedDomainXYPlotTests.java
   * ------------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 21-Aug-2003 : Version 1 (DG);
   * 03-Jan-2008 : Added testNotification() (DG);
   *
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.annotations.XYTextAnnotation;
  import org.jfree.chart.axis.AxisLocation;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.event.ChartChangeEvent;
  import org.jfree.chart.event.ChartChangeListener;
  import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
  import org.jfree.chart.renderer.xy.XYItemRenderer;
  import org.jfree.data.xy.XYDataset;
  import org.jfree.data.xy.XYSeries;
  import org.jfree.data.xy.XYSeriesCollection;
  import org.junit.jupiter.api.Test;
  
  import java.awt.Font;
  import java.awt.Graphics2D;
  import java.awt.geom.Rectangle2D;
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link CombinedDomainXYPlot} class.
   */
  public class CombinedDomainXYPlotTest
          implements ChartChangeListener {
  
      /** A list of the events received. */
      private List<ChartChangeEvent> events = new java.util.ArrayList<ChartChangeEvent>();
  
      /**
       * Receives a chart change event.
       *
       * @param event  the event.
       */
      @Override
      public void chartChanged(ChartChangeEvent event) {
          this.events.add(event);
      }
  
  
  
  
  
      /**
       * Confirm that the constructor will accept a null axis.
       */
      @Test
      public void testConstructor1() {
          CombinedDomainXYPlot plot = new CombinedDomainXYPlot(null);
          assertEquals(null, plot.getDomainAxis());
      }
  
      /**
       * This is a test to replicate the bug report 987080.
       */
      @Test
      public void testRemoveSubplot() {
          CombinedDomainXYPlot plot = new CombinedDomainXYPlot();
          XYPlot plot1 = new XYPlot();
          XYPlot plot2 = new XYPlot();
          plot.add(plot1);
          plot.add(plot2);
          // remove plot2, but plot1 is removed instead
          plot.remove(plot2);
          List plots = plot.getSubplots();
          assertSame(plots.get(0), plot1);
      }
  
      /**
       * Tests the equals() method.
       */
      @Test
      public void testEquals() {
          CombinedDomainXYPlot plot1 = createPlot();
          CombinedDomainXYPlot plot2 = createPlot();
          assertEquals(plot1, plot2);
          assertEquals(plot2, plot1);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          CombinedDomainXYPlot plot1 = createPlot();
          CombinedDomainXYPlot plot2 = (CombinedDomainXYPlot) plot1.clone();
          assertNotSame(plot1, plot2);
          assertSame(plot1.getClass(), plot2.getClass());
          assertEquals(plot1, plot2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          CombinedDomainXYPlot plot1 = createPlot();
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(plot1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          CombinedDomainXYPlot plot2 = (CombinedDomainXYPlot) in.readObject();
          in.close();
  
          assertEquals(plot1, plot2);
      }
  
      /**
       * Check that only one chart change event is generated by a change to a
       * subplot.
       */
      @Test
      public void testNotification() {
          CombinedDomainXYPlot plot = createPlot();
          JFreeChart chart = new JFreeChart(plot);
          chart.addChangeListener(this);
          XYPlot subplot1 = plot.getSubplots().get(0);
          NumberAxis yAxis = (NumberAxis) subplot1.getRangeAxis();
          yAxis.setAutoRangeIncludesZero(!yAxis.getAutoRangeIncludesZero());
          assertEquals(1, this.events.size());
  
          // a redraw should NOT trigger another change event
          BufferedImage image = new BufferedImage(200, 100,
                  BufferedImage.TYPE_INT_RGB);
          Graphics2D g2 = image.createGraphics();
          this.events.clear();
          chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
          assertTrue(this.events.isEmpty());
      }
  
      /**
       * Creates a sample dataset.
       *
       * @return Series 1.
       */
      private XYDataset createDataset1() {
  
          // create dataset 1...
          XYSeries series1 = new XYSeries("Series 1");
          series1.add(10.0, 12353.3);
          series1.add(20.0, 13734.4);
          series1.add(30.0, 14525.3);
          series1.add(40.0, 13984.3);
          series1.add(50.0, 12999.4);
          series1.add(60.0, 14274.3);
          series1.add(70.0, 15943.5);
          series1.add(80.0, 14845.3);
          series1.add(90.0, 14645.4);
          series1.add(100.0, 16234.6);
          series1.add(110.0, 17232.3);
          series1.add(120.0, 14232.2);
          series1.add(130.0, 13102.2);
          series1.add(140.0, 14230.2);
          series1.add(150.0, 11235.2);
  
          XYSeries series2 = new XYSeries("Series 2");
          series2.add(10.0, 15000.3);
          series2.add(20.0, 11000.4);
          series2.add(30.0, 17000.3);
          series2.add(40.0, 15000.3);
          series2.add(50.0, 14000.4);
          series2.add(60.0, 12000.3);
          series2.add(70.0, 11000.5);
          series2.add(80.0, 12000.3);
          series2.add(90.0, 13000.4);
          series2.add(100.0, 12000.6);
          series2.add(110.0, 13000.3);
          series2.add(120.0, 17000.2);
          series2.add(130.0, 18000.2);
          series2.add(140.0, 16000.2);
          series2.add(150.0, 17000.2);
  
          XYSeriesCollection collection = new XYSeriesCollection();
          collection.addSeries(series1);
          collection.addSeries(series2);
          return collection;
  
      }
  
      /**
       * Creates a sample dataset.
       *
       * @return Series 2.
       */
      private XYDataset createDataset2() {
  
          XYSeries series2 = new XYSeries("Series 3");
  
          series2.add(10.0, 16853.2);
          series2.add(20.0, 19642.3);
          series2.add(30.0, 18253.5);
          series2.add(40.0, 15352.3);
          series2.add(50.0, 13532.0);
          series2.add(100.0, 12635.3);
          series2.add(110.0, 13998.2);
          series2.add(120.0, 11943.2);
          series2.add(130.0, 16943.9);
          series2.add(140.0, 17843.2);
          series2.add(150.0, 16495.3);
          series2.add(160.0, 17943.6);
          series2.add(170.0, 18500.7);
          series2.add(180.0, 19595.9);
  
          return new XYSeriesCollection(series2);
  
      }
  
      /**
       * Creates a sample plot.
       *
       * @return A sample plot.
       */
      private CombinedDomainXYPlot createPlot() {
          // create subplot 1...
          XYDataset data1 = createDataset1();
          XYItemRenderer renderer1 = new StandardXYItemRenderer();
          NumberAxis rangeAxis1 = new NumberAxis("Range 1");
          XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
          subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
  
          XYTextAnnotation annotation = new XYTextAnnotation("Hello!", 50.0,
                  10000.0);
          annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
          annotation.setRotationAngle(Math.PI / 4.0);
          subplot1.addAnnotation(annotation);
  
          // create subplot 2...
          XYDataset data2 = createDataset2();
          XYItemRenderer renderer2 = new StandardXYItemRenderer();
          NumberAxis rangeAxis2 = new NumberAxis("Range 2");
          rangeAxis2.setAutoRangeIncludesZero(false);
          XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2);
          subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
  
          // parent plot...
          CombinedDomainXYPlot plot = new CombinedDomainXYPlot(
                  new NumberAxis("Domain"));
          plot.setGap(10.0);
  
          // add the subplots...
          plot.add(subplot1, 1);
          plot.add(subplot2, 1);
          plot.setOrientation(PlotOrientation.VERTICAL);
          return plot;
      }
  }
  